County Hazards

States › Iowa › Harrison County › ZIP 51555

ZIP code 51555, Harrison County, Iowa

National Flood Insurance Program claims and payouts recorded for this ZIP code, with county context.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NFIP claims as of 8 Sep 2026.

ZIP code 51555, in Harrison County, Iowa, has 173 National Flood Insurance Program claims in the OpenFEMA record since 1978, 144 of them paid for a total of $3.5M.

That is 90.1% of the 192 claims recorded across Harrison County. The average paid claim in the ZIP is $24K, close to the county average of $22K and the Iowa average of $30K.

FEMA counts 7 repetitive-loss properties and 0 severe repetitive-loss properties in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 177 residential flood policies in force, covering 2% of residential structures.

173NFIP claims since 1978
144paid claims
$3.5Mtotal paid
$24Kaverage paid claim

Compared with the county and state

MeasureZIP 51555HarrisonIowaUS
Claims since 197817319214,7882,680,429
Share of claims paid83%80%81%78%
Average paid claim$24K$22K$30K$43K
Share of county claims90.1%100%——
Repetitive-loss properties781,104—

Claims by year of loss

197820022026
NFIP claims in ZIP 51555 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s2$0
1980s0$0
1990s57$407,535
2000s75$1,759,763
2010s39$1,322,922
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
20191917$828,804$48,753
201811$8,526$8,526
201431$4,000$4,000
2011159$481,593$53,510
201010$0—
200910$0—
200810$0—
20077060$1,758,726$29,312
200510$0—
200311$1,038$1,038
200210$0—
199987$16,680$2,383
199833$3,322$1,107
199632$3,496$1,748
19934343$384,037$8,931
197920$0—

Claims are counted by year of loss as recorded in OpenFEMA's redacted NFIP claims file; amounts combine building, contents and increased-cost-of-compliance payments. ZIP codes in the file are the policyholder's reported ZIP.

County context: Harrison County

Harrison County has 698 weather events in the NCEI record since 1950 (29 in the last 12 months), 24 federal disaster declarations, and an overall National Risk Index rating of "Very Low". Flood-type events recorded in the county: 31; hurricane-strength tracks within 50 miles: 0.

Hail: 218 · Tornado: 34 · Flood: 31 · Wind: 234 · Winter: 90 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 51555?

173 claims since 1978 in the OpenFEMA NFIP claims file, 144 of them with a payment.

How much has the NFIP paid out in ZIP 51555?

$3.5M across 144 paid claims (building, contents and increased-cost-of-compliance payments combined), about $24K per paid claim.

Which year had the most flood claims in 51555?

2007, with 70 claims and $1.8M paid.

What county is ZIP 51555 in?

Most claims in this ZIP carry the county code for Harrison County, Iowa; ZIP codes can cross county lines. The county page carries the storm record, declarations and risk index for the area.

Provenance

OpenFEMA NfipClaims v3 (as of 8 Sep 2026) and NfipMultipleLossProperties v1 (2 Aug 2026), aggregated by ZIP code and year of loss on this site; no property-level record is shown. County storm figures from NOAA NCEI through 30 Jun 2026. Built 1 Oct 2026. See the guide to redacted NFIP claims and the methodology.